diff --git a/app.py b/app.py
index a9b6946..dea2af3 100644
--- a/app.py
+++ b/app.py
@@ -18,6 +18,7 @@ from routes.llm import llm
 from routes.auth import auth
 from routes.settings import settings
 from routes.community import community
+from routes.shared_env import shared_env
 from constants import DEFAULT_FUNCTION_NAME, DEFAULT_SCRIPT, DEFAULT_ENVIRONMENT
 from flask_apscheduler import APScheduler
 import asyncio
@@ -47,6 +48,7 @@ app.register_blueprint(llm, url_prefix='/llm')
 app.register_blueprint(auth, url_prefix='/auth')
 app.register_blueprint(settings, url_prefix='/settings')
 app.register_blueprint(community, url_prefix='/community')
+app.register_blueprint(shared_env, url_prefix='/shared_env')
 
 # Swith to inter app routing, which results in speed up from ~400ms to ~270ms
 # https://stackoverflow.com/questions/76886643/linking-two-not-exposed-dokku-apps
@@ -212,6 +214,24 @@ async def execute_http_function(user_id, function):
         if request.data and not request.is_json:
             request_data['text'] = request.data.decode('utf-8')
 
+        # Load and inject shared environments (namespaced)
+        shared_envs = db.execute('''
+            SELECT se.id, se.name, se.environment
+            FROM http_function_shared_envs hfse
+            JOIN shared_environments se ON hfse.shared_env_id = se.id
+            WHERE hfse.http_function_id = %s
+            ORDER BY se.name
+        ''', [http_function['id']])
+        
+        # Inject shared environments as nested objects
+        combined_environment = environment.copy()
+        shared_env_map = {}  # Track shared env IDs for later extraction
+        if shared_envs:
+            for se in shared_envs:
+                env_data = json.loads(se['environment']) if isinstance(se['environment'], str) else se['environment']
+                combined_environment[se['name']] = env_data
+                shared_env_map[se['name']] = se['id']
+
         # Call the Node.js API asynchronously
         if runtime == 'deno':
             api_url = DENO_API_URL
@@ -220,10 +240,29 @@ async def execute_http_function(user_id, function):
         else:
             api_url = NODE_API_URL
         async with aiohttp.ClientSession() as session:
-            async with session.post(api_url, json={'code': code, 'request': request_data, 'environment': environment, 'name': function_name}) as response:
+            async with session.post(api_url, json={'code': code, 'request': request_data, 'environment': combined_environment, 'name': function_name}) as response:
                 response_data = await response.json()
 
-        db.update_http_function_environment_info_and_invoked_count(user_id, function_name, response_data['environment'])
+        # Extract and persist shared environment mutations
+        returned_env = response_data['environment']
+        function_specific_env = {}
+        
+        # Separate function-specific properties from shared environments
+        for key, value in returned_env.items():
+            if key in shared_env_map:
+                # This is a shared environment - save it back
+                db.execute(
+                    'UPDATE shared_environments SET environment=%s, updated_at=NOW() WHERE id=%s',
+                    [json.dumps(value), shared_env_map[key]],
+                    commit=True
+                )
+            else:
+                # This is function-specific - keep it
+                function_specific_env[key] = value
+        
+        # Update function's own environment (without shared envs)
+        db.update_http_function_environment_info_and_invoked_count(user_id, function_name, function_specific_env)
+
         db.add_http_function_invocation(
             http_function['id'],
             response_data['status'],
diff --git a/routes/shared_env.py b/routes/shared_env.py
new file mode 100644
index 0000000..f3a273f
--- /dev/null
+++ b/routes/shared_env.py
@@ -0,0 +1,417 @@
+from flask import Blueprint, request, jsonify, render_template
+from flask_login import login_required, current_user
+from extensions import db, htmx
+from jinja2_fragments import render_block
+import json
+
+'''
+-- 1. Create shared_environments table
+CREATE TABLE IF NOT EXISTS shared_environments (
+    id SERIAL PRIMARY KEY,
+    user_id INT NOT NULL,
+    name VARCHAR(255) NOT NULL,
+    environment JSONB NOT NULL DEFAULT '{}',
+    description TEXT,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    
+    CONSTRAINT fk_shared_env_user
+        FOREIGN KEY (user_id)
+        REFERENCES users (id)
+        ON DELETE CASCADE,
+    
+    CONSTRAINT unique_shared_env_name_per_user 
+        UNIQUE (user_id, name)
+);
+
+CREATE INDEX idx_shared_env_user ON shared_environments(user_id);
+
+-- 2. Create junction table for HTTP functions
+CREATE TABLE IF NOT EXISTS http_function_shared_envs (
+    id SERIAL PRIMARY KEY,
+    http_function_id INT NOT NULL,
+    shared_env_id INT NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    
+    CONSTRAINT fk_http_function
+        FOREIGN KEY (http_function_id)
+        REFERENCES http_functions (id)
+        ON DELETE CASCADE,
+    
+    CONSTRAINT fk_shared_env_http
+        FOREIGN KEY (shared_env_id)
+        REFERENCES shared_environments (id)
+        ON DELETE CASCADE,
+    
+    CONSTRAINT unique_http_function_shared_env
+        UNIQUE (http_function_id, shared_env_id)
+);
+
+CREATE INDEX idx_http_func_shared_env ON http_function_shared_envs(http_function_id);
+
+-- 3. Create junction table for Timer functions
+CREATE TABLE IF NOT EXISTS timer_function_shared_envs (
+    id SERIAL PRIMARY KEY,
+    timer_function_id INT NOT NULL,
+    shared_env_id INT NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    
+    CONSTRAINT fk_timer_function
+        FOREIGN KEY (timer_function_id)
+        REFERENCES timer_functions (id)
+        ON DELETE CASCADE,
+    
+    CONSTRAINT fk_shared_env_timer
+        FOREIGN KEY (shared_env_id)
+        REFERENCES shared_environments (id)
+        ON DELETE CASCADE,
+    
+    CONSTRAINT unique_timer_function_shared_env
+        UNIQUE (timer_function_id, shared_env_id)
+);
+
+CREATE INDEX idx_timer_func_shared_env ON timer_function_shared_envs(timer_function_id);
+'''
+
+shared_env = Blueprint('shared_env', __name__)
+
+@shared_env.route('/', methods=['GET'])
+@login_required
+def list_shared_environments():
+    """List all shared environments for the current user"""
+    envs = db.execute(
+        'SELECT id, name, environment, description, created_at, updated_at FROM shared_environments WHERE user_id=%s ORDER BY name',
+        [current_user.id]
+    )
+    
+    # Check if HTMX request
+    if request.headers.get('HX-Request'):
+        return render_template('dashboard/shared_environments/index.html', environments=envs)
+    
+    # For API/fetch requests, return JSON
+    if request.accept_mimetypes.accept_json and not request.accept_mimetypes.accept_html:
+        return jsonify(envs if envs else [])
+    
+    # For regular page loads
+    return render_template('dashboard/shared_environments/index.html', environments=envs)
+
+@shared_env.route('/new', methods=['GET', 'POST'])
+@login_required
+def create():
+    """Create a new shared environment"""
+    if request.method == 'GET':
+        # Show creation form
+        if htmx:
+            return render_block('environment', 'dashboard/shared_environments/new.html', 'page')
+        return render_template('dashboard/shared_environments/new.html')
+    
+    # Handle POST - create new shared environment
+    try:
+        data = request.json
+        name = data.get('name')
+        environment = data.get('environment')
+        description = data.get('description', '')
+        
+        # Validate name
+        if not name:
+            return jsonify({'status': 'error', 'message': 'Name is required'}), 400
+        
+        # Validate environment JSON
+        if isinstance(environment, str):
+            try:
+                environment_dict = json.loads(environment)
+            except json.JSONDecodeError:
+                return jsonify({'status': 'error', 'message': 'Invalid JSON in environment'}), 400
+        else:
+            environment_dict = environment
+        
+        # Create shared environment
+        result = db.execute(
+            'INSERT INTO shared_environments (user_id, name, environment, description) VALUES (%s, %s, %s, %s) RETURNING id',
+            [current_user.id, name, json.dumps(environment_dict), description],
+            commit=True,
+            one=True
+        )
+        
+        env_id = result['id'] if result else None
+        
+        return jsonify({
+            'status': 'success', 
+            'message': f'Shared environment "{name}" created successfully',
+            'id': env_id
+        }), 201
+        
+    except Exception as e:
+        return jsonify({'status': 'error', 'message': str(e)}), 500
+
+@shared_env.route('/<int:env_id>', methods=['GET'])
+@login_required
+def get(env_id):
+    """Get a specific shared environment"""
+    env = db.execute(
+        'SELECT id, name, environment, description FROM shared_environments WHERE id=%s AND user_id=%s',
+        [env_id, current_user.id],
+        one=True
+    )
+    
+    if not env:
+        return jsonify({'status': 'error', 'message': 'Shared environment not found'}), 404
+    
+    return jsonify(env)
+
+@shared_env.route('/<int:env_id>', methods=['PUT'])
+@login_required
+def update(env_id):
+    """Update a shared environment"""
+    try:
+        # Verify ownership
+        existing = db.execute(
+            'SELECT id, name FROM shared_environments WHERE id=%s AND user_id=%s',
+            [env_id, current_user.id],
+            one=True
+        )
+        
+        if not existing:
+            return jsonify({'status': 'error', 'message': 'Shared environment not found'}), 404
+        
+        data = request.json
+        name = data.get('name')
+        environment = data.get('environment')
+        description = data.get('description', '')
+        
+        # Validate environment JSON
+        if isinstance(environment, str):
+            try:
+                environment_dict = json.loads(environment)
+            except json.JSONDecodeError:
+                return jsonify({'status': 'error', 'message': 'Invalid JSON in environment'}), 400
+        else:
+            environment_dict = environment
+        
+        db.execute(
+            'UPDATE shared_environments SET name=%s, environment=%s, description=%s, updated_at=NOW() WHERE id=%s AND user_id=%s',
+            [name, json.dumps(environment_dict), description, env_id, current_user.id],
+            commit=True
+        )
+        
+        return jsonify({
+            'status': 'success',
+            'message': f'Shared environment "{name}" updated successfully'
+        })
+        
+    except Exception as e:
+        return jsonify({'status': 'error', 'message': str(e)}), 500
+
+@shared_env.route('/<int:env_id>', methods=['DELETE'])
+@login_required
+def delete(env_id):
+    """Delete a shared environment"""
+    try:
+        # Verify ownership
+        existing = db.execute(
+            'SELECT name FROM shared_environments WHERE id=%s AND user_id=%s',
+            [env_id, current_user.id],
+            one=True
+        )
+        
+        if not existing:
+            return jsonify({'status': 'error', 'message': 'Shared environment not found'}), 404
+        
+        db.execute(
+            'DELETE FROM shared_environments WHERE id=%s AND user_id=%s',
+            [env_id, current_user.id],
+            commit=True
+        )
+        
+        return jsonify({
+            'status': 'success',
+            'message': f'Shared environment "{existing["name"]}" deleted successfully'
+        })
+        
+    except Exception as e:
+        return jsonify({'status': 'error', 'message': str(e)}), 500
+
+@shared_env.route('/<int:env_id>/linked-functions', methods=['GET'])
+@login_required
+def get_linked_functions(env_id):
+    """Get all functions linked to this shared environment"""
+    try:
+        # Verify ownership
+        existing = db.execute(
+            'SELECT id FROM shared_environments WHERE id=%s AND user_id=%s',
+            [env_id, current_user.id],
+            one=True
+        )
+        
+        if not existing:
+            return jsonify({'status': 'error', 'message': 'Shared environment not found'}), 404
+        
+        # Get linked HTTP functions
+        http_functions = db.execute('''
+            SELECT hf.id, hf.name, 'http' as type
+            FROM http_function_shared_envs hfse
+            JOIN http_functions hf ON hfse.http_function_id = hf.id
+            WHERE hfse.shared_env_id = %s AND hf.user_id = %s
+            ORDER BY hf.name
+        ''', [env_id, current_user.id])
+        
+        # Get linked Timer functions
+        timer_functions = db.execute('''
+            SELECT tf.id, tf.name, 'timer' as type
+            FROM timer_function_shared_envs tfse
+            JOIN timer_functions tf ON tfse.timer_function_id = tf.id
+            WHERE tfse.shared_env_id = %s AND tf.user_id = %s
+            ORDER BY tf.name
+        ''', [env_id, current_user.id])
+        
+        return jsonify({
+            'http_functions': http_functions if http_functions else [],
+            'timer_functions': timer_functions if timer_functions else []
+        })
+        
+    except Exception as e:
+        return jsonify({'status': 'error', 'message': str(e)}), 500
+
+@shared_env.route('/<int:env_id>/available-functions', methods=['GET'])
+@login_required
+def get_available_functions(env_id):
+    """Get all functions that can be linked (not already linked)"""
+    try:
+        # Get all HTTP functions for this user
+        all_http = db.execute(
+            'SELECT id, name FROM http_functions WHERE user_id=%s ORDER BY name',
+            [current_user.id]
+        )
+        
+        # Get already linked HTTP functions
+        linked_http = db.execute('''
+            SELECT http_function_id
+            FROM http_function_shared_envs
+            WHERE shared_env_id = %s
+        ''', [env_id])
+        
+        linked_http_ids = [row['http_function_id'] for row in (linked_http or [])]
+        
+        # Filter out already linked
+        available_http = [func for func in (all_http or []) if func['id'] not in linked_http_ids]
+        
+        # Get all Timer functions for this user
+        all_timer = db.execute(
+            'SELECT id, name FROM timer_functions WHERE user_id=%s ORDER BY name',
+            [current_user.id]
+        )
+        
+        # Get already linked Timer functions
+        linked_timer = db.execute('''
+            SELECT timer_function_id
+            FROM timer_function_shared_envs
+            WHERE shared_env_id = %s
+        ''', [env_id])
+        
+        linked_timer_ids = [row['timer_function_id'] for row in (linked_timer or [])]
+        
+        # Filter out already linked
+        available_timer = [func for func in (all_timer or []) if func['id'] not in linked_timer_ids]
+        
+        return jsonify({
+            'http_functions': available_http,
+            'timer_functions': available_timer
+        })
+        
+    except Exception as e:
+        return jsonify({'status': 'error', 'message': str(e)}), 500
+
+@shared_env.route('/<int:env_id>/link-function', methods=['POST'])
+@login_required
+def link_function(env_id):
+    """Link a function to this shared environment"""
+    try:
+        # Verify ownership
+        existing = db.execute(
+            'SELECT id FROM shared_environments WHERE id=%s AND user_id=%s',
+            [env_id, current_user.id],
+            one=True
+        )
+        
+        if not existing:
+            return jsonify({'status': 'error', 'message': 'Shared environment not found'}), 404
+        
+        data = request.json
+        function_id = data.get('function_id')
+        function_type = data.get('function_type')  # 'http' or 'timer'
+        
+        if not function_id or not function_type:
+            return jsonify({'status': 'error', 'message': 'Missing function_id or function_type'}), 400
+        
+        if function_type == 'http':
+            # Verify function ownership
+            func = db.execute(
+                'SELECT id FROM http_functions WHERE id=%s AND user_id=%s',
+                [function_id, current_user.id],
+                one=True
+            )
+            if not func:
+                return jsonify({'status': 'error', 'message': 'Function not found'}), 404
+            
+            # Link it
+            db.execute(
+                'INSERT INTO http_function_shared_envs (http_function_id, shared_env_id) VALUES (%s, %s) ON CONFLICT DO NOTHING',
+                [function_id, env_id],
+                commit=True
+            )
+        elif function_type == 'timer':
+            # Verify function ownership
+            func = db.execute(
+                'SELECT id FROM timer_functions WHERE id=%s AND user_id=%s',
+                [function_id, current_user.id],
+                one=True
+            )
+            if not func:
+                return jsonify({'status': 'error', 'message': 'Function not found'}), 404
+            
+            # Link it
+            db.execute(
+                'INSERT INTO timer_function_shared_envs (timer_function_id, shared_env_id) VALUES (%s, %s) ON CONFLICT DO NOTHING',
+                [function_id, env_id],
+                commit=True
+            )
+        else:
+            return jsonify({'status': 'error', 'message': 'Invalid function_type'}), 400
+        
+        return jsonify({'status': 'success', 'message': 'Function linked successfully'})
+        
+    except Exception as e:
+        return jsonify({'status': 'error', 'message': str(e)}), 500
+
+@shared_env.route('/<int:env_id>/unlink-function', methods=['POST'])
+@login_required
+def unlink_function(env_id):
+    """Unlink a function from this shared environment"""
+    try:
+        data = request.json
+        function_id = data.get('function_id')
+        function_type = data.get('function_type')  # 'http' or 'timer'
+        
+        if not function_id or not function_type:
+            return jsonify({'status': 'error', 'message': 'Missing function_id or function_type'}), 400
+        
+        if function_type == 'http':
+            db.execute(
+                'DELETE FROM http_function_shared_envs WHERE http_function_id=%s AND shared_env_id=%s',
+                [function_id, env_id],
+                commit=True
+            )
+        elif function_type == 'timer':
+            db.execute(
+                'DELETE FROM timer_function_shared_envs WHERE timer_function_id=%s AND shared_env_id=%s',
+                [function_id, env_id],
+                commit=True
+            )
+        else:
+            return jsonify({'status': 'error', 'message': 'Invalid function_type'}), 400
+        
+        return jsonify({'status': 'success', 'message': 'Function unlinked successfully'})
+        
+    except Exception as e:
+        return jsonify({'status': 'error', 'message': str(e)}), 500
+
diff --git a/templates/dashboard.html b/templates/dashboard.html
index 408aa5e..fd4a8a0 100644
--- a/templates/dashboard.html
+++ b/templates/dashboard.html
@@ -53,6 +53,16 @@
                                 d="M12 6v6h4.5m4.5 0a9 9 0 1 1-18 0 9 9 0 0 1 18 0Z" />
                         </svg>
                         Scheduled Jobs
+                    </a>
+                    <a class="flex items-center gap-3 rounded-lg px-3 py-2.5 text-gray-600 transition-all hover:text-gray-900 hover:bg-gray-100 dark:text-gray-400 dark:hover:text-gray-50 dark:hover:bg-gray-800 cursor-pointer group"
+                        href="{{ url_for('shared_env.list_shared_environments') }}">
+                        <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" fill="none" viewBox="0 0 24 24"
+                            stroke-width="1.5" stroke="currentColor"
+                            class="group-hover:text-blue-600 transition-colors">
+                            <path stroke-linecap="round" stroke-linejoin="round"
+                                d="M20.25 6.375c0 2.278-3.694 4.125-8.25 4.125S3.75 8.653 3.75 6.375m16.5 0c0-2.278-3.694-4.125-8.25-4.125S3.75 4.097 3.75 6.375m16.5 0v11.25c0 2.278-3.694 4.125-8.25 4.125s-8.25-1.847-8.25-4.125V6.375m16.5 0v3.75m-16.5-3.75v3.75m16.5 0v3.75C20.25 16.153 16.556 18 12 18s-8.25-1.847-8.25-4.125v-3.75m16.5 0c0 2.278-3.694 4.125-8.25 4.125s-8.25-1.847-8.25-4.125" />
+                        </svg>
+                        Shared Environments
                     </a>
 
                     <div class="my-2 border-t border-gray-100 dark:border-gray-800"></div>
@@ -243,7 +253,17 @@
                         d="M12 6v6h4.5m4.5 0a9 9 0 1 1-18 0 9 9 0 0 1 18 0Z" />
                 </svg>
                 Scheduled Jobs
-            </a>
+            </a>
+                    <a class="flex items-center gap-3 rounded-lg px-3 py-2.5 text-gray-600 transition-all hover:text-gray-900 hover:bg-gray-100 dark:text-gray-400 dark:hover:text-gray-50 dark:hover:bg-gray-800 cursor-pointer group"
+                        href="{{ url_for('shared_env.list_shared_environments') }}">
+                        <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" fill="none" viewBox="0 0 24 24"
+                            stroke-width="1.5" stroke="currentColor"
+                            class="group-hover:text-blue-600 transition-colors">
+                            <path stroke-linecap="round" stroke-linejoin="round"
+                                d="M20.25 6.375c0 2.278-3.694 4.125-8.25 4.125S3.75 8.653 3.75 6.375m16.5 0c0-2.278-3.694-4.125-8.25-4.125S3.75 4.097 3.75 6.375m16.5 0v11.25c0 2.278-3.694 4.125-8.25 4.125s-8.25-1.847-8.25-4.125V6.375m16.5 0v3.75m-16.5-3.75v3.75m16.5 0v3.75C20.25 16.153 16.556 18 12 18s-8.25-1.847-8.25-4.125v-3.75m16.5 0c0 2.278-3.694 4.125-8.25 4.125s-8.25-1.847-8.25-4.125" />
+                        </svg>
+                        Shared Environments
+                    </a>
             <div class="my-2 border-t border-gray-100 dark:border-gray-800"></div>
             <a class="flex items-center gap-3 rounded-lg px-3 py-2.5 text-gray-600 transition-all hover:text-gray-900 hover:bg-gray-100 dark:text-gray-400 dark:hover:text-gray-50 dark:hover:bg-gray-800"
                 href="{{ url_for('community.index') }}">
@@ -305,4 +325,4 @@
     if (mobileSidebarOverlay) mobileSidebarOverlay.addEventListener('click', toggleSidebar);
 </script>
 
-{% endblock %}
\ No newline at end of file
+{% endblock %}
diff --git a/templates/dashboard/shared_environments/index.html b/templates/dashboard/shared_environments/index.html
new file mode 100644
index 0000000..e03903e
--- /dev/null
+++ b/templates/dashboard/shared_environments/index.html
@@ -0,0 +1,458 @@
+{% extends 'dashboard.html' %}
+
+{% block page %}
+<div class="container mx-auto p-6 max-w-6xl">
+    <div class="flex items-center justify-between mb-6">
+        <div>
+            <h1 class="text-3xl font-bold text-gray-900 dark:text-white">Shared Environments</h1>
+            <p class="text-gray-600 dark:text-gray-400 mt-1">Manage reusable environment configurations that can be
+                injected into your functions</p>
+        </div>
+        <button onclick="openCreateModal()"
+            class="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg flex items-center space-x-2">
+            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"></path>
+            </svg>
+            <span>New Shared Environment</span>
+        </button>
+    </div>
+
+    {% if environments and environments|length > 0 %}
+    <div class="grid gap-4">
+        {% for env in environments %}
+        <div class="bg-white dark:bg-gray-800 rounded-lg shadow border border-gray-200 dark:border-gray-700 p-6">
+            <div class="flex items-start justify-between">
+                <div class="flex-1">
+                    <h3 class="text-xl font-semibold text-gray-900 dark:text-white mb-1">{{ env.name }}</h3>
+                    {% if env.description %}
+                    <p class="text-gray-600 dark:text-gray-400 text-sm mb-3">{{ env.description }}</p>
+                    {% endif %}
+                    <div class="bg-gray-50 dark:bg-gray-900 rounded p-3 font-mono text-sm overflow-x-auto">
+                        <pre class="text-gray-800 dark:text-gray-200">{{ env.environment | tojson(indent=2) }}</pre>
+                    </div>
+                    <div class="mt-3 text-xs text-gray-500 dark:text-gray-400">
+                        Created: {{ env.created_at.strftime('%Y-%m-%d %H:%M') if env.created_at else 'Unknown' }}
+                        {% if env.updated_at and env.updated_at != env.created_at %}
+                        | Updated: {{ env.updated_at.strftime('%Y-%m-%d %H:%M') }}
+                        {% endif %}
+                    </div>
+
+                    <!-- Linked Functions Section -->
+                    <div class="mt-4 pt-4 border-t border-gray-200 dark:border-gray-700">
+                        <div class="flex items-center justify-between mb-2">
+                            <button onclick="toggleLinkedFunctions({{ env.id }})"
+                                class="flex items-center space-x-2 text-sm font-medium text-gray-700 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition-colors">
+                                <svg id="expand-icon-{{ env.id }}" class="w-4 h-4 transition-transform" fill="none"
+                                    stroke="currentColor" viewBox="0 0 24 24">
+                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                                        d="M9 5l7 7-7 7"></path>
+                                </svg>
+                                <span id="linked-count-{{ env.id }}">🔗 Linked Functions (loading...)</span>
+                            </button>
+                            <button onclick="openLinkModal({{ env.id }}, '{{ env.name }}')"
+                                class="text-sm text-blue-600 hover:text-blue-800 dark:text-blue-400 dark:hover:text-blue-300 flex items-center space-x-1">
+                                <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                                        d="M12 4v16m8-8H4"></path>
+                                </svg>
+                                <span>Link Function</span>
+                            </button>
+                        </div>
+                        <div id="linked-functions-{{ env.id }}" class="hidden mt-3 space-y-2">
+                            <div class="text-sm text-gray-500 dark:text-gray-400">Loading...</div>
+                        </div>
+                    </div>
+                </div>
+                <div class="flex space-x-2 ml-4">
+                    <button
+                        onclick="editEnvironment({{ env.id }}, '{{ env.name }}', {{ env.environment | tojson }}, '{{ env.description or '' }}')"
+                        class="text-blue-600 hover:text-blue-800 dark:text-blue-400 dark:hover:text-blue-300 p-2"
+                        title="Edit">
+                        <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                                d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z">
+                            </path>
+                        </svg>
+                    </button>
+                    <button onclick="deleteEnvironment({{ env.id }}, '{{ env.name }}')"
+                        class="text-red-600 hover:text-red-800 dark:text-red-400 dark:hover:text-red-300 p-2"
+                        title="Delete">
+                        <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                                d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16">
+                            </path>
+                        </svg>
+                    </button>
+                </div>
+            </div>
+        </div>
+        {% endfor %}
+    </div>
+    {% else %}
+    <div
+        class="text-center py-12 bg-gray-50 dark:bg-gray-800 rounded-lg border-2 border-dashed border-gray-300 dark:border-gray-700">
+        <svg class="mx-auto h-12 w-12 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                d="M20 13V6a2 2 0 00-2-2H6a2 2 0 00-2 2v7m16 0v5a2 2 0 01-2 2H6a2 2 0 01-2-2v-5m16 0h-2.586a1 1 0 00-.707.293l-2.414 2.414a1 1 0 01-.707.293h-3.172a1 1 0 01-.707-.293l-2.414-2.414A1 1 0 006.586 13H4">
+            </path>
+        </svg>
+        <h3 class="mt-2 text-sm font-medium text-gray-900 dark:text-white">No shared environments</h3>
+        <p class="mt-1 text-sm text-gray-500 dark:text-gray-400">Get started by creating a new shared environment</p>
+        <div class="mt-6">
+            <button onclick="openCreateModal()"
+                class="inline-flex items-center px-4 py-2 border border-transparent shadow-sm text-sm font-medium rounded-md text-white bg-blue-600 hover:bg-blue-700">
+                <svg class="-ml-1 mr-2 h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"></path>
+                </svg>
+                New Shared Environment
+            </button>
+        </div>
+    </div>
+    {% endif %}
+</div>
+
+<!-- Create/Edit Modal -->
+<div id="envModal" class="hidden fixed inset-0 bg-gray-600 bg-opacity-50 overflow-y-auto h-full w-full z-50">
+    <div class="relative top-20 mx-auto p-5 border w-full max-w-2xl shadow-lg rounded-md bg-white dark:bg-gray-800">
+        <div class="flex items-center justify-between mb-4">
+            <h3 id="modalTitle" class="text-lg font-medium text-gray-900 dark:text-white">New Shared Environment</h3>
+            <button onclick="closeModal()" class="text-gray-400 hover:text-gray-600 dark:hover:text-gray-300">
+                <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12">
+                    </path>
+                </svg>
+            </button>
+        </div>
+        <form id="envForm" class="space-y-4">
+            <input type="hidden" id="envId" value="">
+            <div>
+                <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">Name <span
+                        class="text-red-500">*</span></label>
+                <input type="text" id="envName" required placeholder="e.g., apiConfig, database"
+                    class="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md dark:bg-gray-700 dark:text-white">
+                <p class="mt-1 text-xs text-gray-500">This becomes the namespace key (e.g., environment.apiConfig)</p>
+            </div>
+            <div>
+                <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">Description</label>
+                <input type="text" id="envDescription" placeholder="Brief description of this shared environment"
+                    class="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md dark:bg-gray-700 dark:text-white">
+            </div>
+            <div>
+                <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">Environment JSON <span
+                        class="text-red-500">*</span></label>
+                <div id="envEditor" class="border border-gray-300 dark:border-gray-600 rounded-md"
+                    style="height: 300px;"></div>
+            </div>
+            <div class="flex justify-end space-x-3 pt-4">
+                <button type="button" onclick="closeModal()"
+                    class="px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-md text-gray-700 dark:text-gray-300 hover:bg-gray-50 dark:hover:bg-gray-700">Cancel</button>
+                <button type="submit" class="px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700"><span
+                        id="submitText">Create</span></button>
+            </div>
+        </form>
+    </div>
+</div>
+
+<!-- Link Function Modal -->
+<div id="linkModal" class="hidden fixed inset-0 bg-gray-600 bg-opacity-50 overflow-y-auto h-full w-full z-50">
+    <div class="relative top-20 mx-auto p-5 border w-full max-w-lg shadow-lg rounded-md bg-white dark:bg-gray-800">
+        <div class="flex items-center justify-between mb-4">
+            <h3 class="text-lg font-medium text-gray-900 dark:text-white">
+                Link Function to <span id="linkEnvName" class="text-blue-600 dark:text-blue-400"></span>
+            </h3>
+            <button onclick="closeLinkModal()" class="text-gray-400 hover:text-gray-600 dark:hover:text-gray-300">
+                <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12">
+                    </path>
+                </svg>
+            </button>
+        </div>
+        <div class="space-y-4">
+            <input type="hidden" id="linkEnvId" value="">
+            <div>
+                <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">HTTP Functions</label>
+                <select id="httpFunctionSelect"
+                    class="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md dark:bg-gray-700 dark:text-white">
+                    <option value="">Select an HTTP function...</option>
+                </select>
+            </div>
+            <div>
+                <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">Timer Functions</label>
+                <select id="timerFunctionSelect"
+                    class="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md dark:bg-gray-700 dark:text-white">
+                    <option value="">Select a timer function...</option>
+                </select>
+            </div>
+            <div class="flex justify-end space-x-3 pt-4">
+                <button onclick="closeLinkModal()"
+                    class="px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-md text-gray-700 dark:text-gray-300 hover:bg-gray-50 dark:hover:bg-gray-700">Cancel</button>
+                <button onclick="linkSelectedFunction()"
+                    class="px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700">Link</button>
+            </div>
+        </div>
+    </div>
+</div>
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.4.12/ace.js"></script>
+<script>
+    let envEditor;
+    let isEditMode = false;
+    let linkedFunctionsCache = {};
+
+    document.addEventListener('DOMContentLoaded', function () {
+        // Initialize Ace Editor
+        envEditor = ace.edit("envEditor");
+        envEditor.setTheme("ace/theme/github_dark");
+        envEditor.session.setMode("ace/mode/json");
+        envEditor.setValue('{\n  \n}', -1);
+        envEditor.setOptions({
+            fontSize: "14px",
+            showPrintMargin: false
+        });
+
+        // Load linked functions for all environments
+        {% for env in environments %}
+        loadLinkedFunctions({{ env.id }});
+    {% endfor %}
+});
+
+    // Environment CRUD Functions
+    function openCreateModal() {
+        isEditMode = false;
+        document.getElementById('modalTitle').textContent = 'New Shared Environment';
+        document.getElementById('submitText').textContent = 'Create';
+        document.getElementById('envId').value = '';
+        document.getElementById('envName').value = '';
+        document.getElementById('envDescription').value = '';
+        envEditor.setValue('{\n  \n}', -1);
+        document.getElementById('envModal').classList.remove('hidden');
+    }
+
+    function editEnvironment(id, name, environment, description) {
+        isEditMode = true;
+        document.getElementById('modalTitle').textContent = 'Edit Shared Environment';
+        document.getElementById('submitText').textContent = 'Update';
+        document.getElementById('envId').value = id;
+        document.getElementById('envName').value = name;
+        document.getElementById('envDescription').value = description;
+        envEditor.setValue(JSON.stringify(environment, null, 2), -1);
+        document.getElementById('envModal').classList.remove('hidden');
+    }
+
+    function closeModal() {
+        document.getElementById('envModal').classList.add('hidden');
+    }
+
+    document.getElementById('envForm').addEventListener('submit', async function (e) {
+        e.preventDefault();
+        const id = document.getElementById('envId').value;
+        const name = document.getElementById('envName').value.trim();
+        const description = document.getElementById('envDescription').value.trim();
+        const environment = envEditor.getValue().trim();
+
+        try {
+            JSON.parse(environment);
+        } catch (err) {
+            alert('Invalid JSON: ' + err.message);
+            return;
+        }
+
+        const url = isEditMode ? `/shared_env/${id}` : '/shared_env/new';
+        const method = isEditMode ? 'PUT' : 'POST';
+
+        try {
+            const response = await fetch(url, {
+                method: method,
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ name, description, environment })
+            });
+            const data = await response.json();
+            if (data.status === 'success') {
+                window.location.reload();
+            } else {
+                alert('Error: ' + data.message);
+            }
+        } catch (err) {
+            alert('Error: ' + err.message);
+        }
+    });
+
+    async function deleteEnvironment(id, name) {
+        if (!confirm(`Are you sure you want to delete "${name}"?\n\nThis will remove it from all linked functions.`)) {
+            return;
+        }
+        try {
+            const response = await fetch(`/shared_env/${id}`, {
+                method: 'DELETE',
+                headers: { 'Content-Type': 'application/json' }
+            });
+            const data = await response.json();
+            if (data.status === 'success') {
+                window.location.reload();
+            } else {
+                alert('Error: ' + data.message);
+            }
+        } catch (err) {
+            alert('Error: ' + err.message);
+        }
+    }
+
+    // Linked Functions UI
+    async function toggleLinkedFunctions(envId) {
+        const container = document.getElementById(`linked-functions-${envId}`);
+        const icon = document.getElementById(`expand-icon-${envId}`);
+
+        if (container.classList.contains('hidden')) {
+            container.classList.remove('hidden');
+            icon.style.transform = 'rotate(90deg)';
+            await loadLinkedFunctions(envId);
+        } else {
+            container.classList.add('hidden');
+            icon.style.transform = 'rotate(0deg)';
+        }
+    }
+
+    async function loadLinkedFunctions(envId) {
+        try {
+            const response = await fetch(`/shared_env/${envId}/linked-functions`);
+            const data = await response.json();
+
+            linkedFunctionsCache[envId] = data;
+
+            const httpFuncs = data.http_functions || [];
+            const timerFuncs = data.timer_functions || [];
+            const total = httpFuncs.length + timerFuncs.length;
+
+            // Update count
+            document.getElementById(`linked-count-${envId}`).textContent = `🔗 Linked Functions (${total})`;
+
+            // Update list
+            const container = document.getElementById(`linked-functions-${envId}`);
+            if (total === 0) {
+                container.innerHTML = '<div class="text-sm text-gray-500 dark:text-gray-400 italic">No functions linked yet</div>';
+            } else {
+                let html = '<div class="space-y-1">';
+                httpFuncs.forEach(func => {
+                    html += `<div class="flex items-center justify-between bg-gray-100 dark:bg-gray-700 rounded px-3 py-2">
+                    <div class="flex items-center space-x-2">
+                        <svg class="w-4 h-4 text-blue-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 01-9 9m9-9a9 9 0 00-9-9m9 9H3m9 9a9 9 0 01-9-9m9 9c1.657 0 3-4.03 3-9s-1.343-9-3-9m0 18c-1.657 0-3-4.03-3-9s1.343-9 3-9m-9 9a9 9 0 019-9"></path>
+                        </svg>
+                        <span class="text-sm font-medium text-gray-900 dark:text-white">${func.name}</span>
+                        <span class="text-xs text-gray-500 dark:text-gray-400">(HTTP)</span>
+                    </div>
+                    <button onclick="unlinkFunction(${envId}, ${func.id}, 'http')" class="text-red-600 hover:text-red-800 dark:text-red-400 dark:hover:text-red-300">
+                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
+                        </svg>
+                    </button>
+                </div>`;
+                });
+                timerFuncs.forEach(func => {
+                    html += `<div class="flex items-center justify-between bg-gray-100 dark:bg-gray-700 rounded px-3 py-2">
+                    <div class="flex items-center space-x-2">
+                        <svg class="w-4 h-4 text-green-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"></path>
+                        </svg>
+                        <span class="text-sm font-medium text-gray-900 dark:text-white">${func.name}</span>
+                        <span class="text-xs text-gray-500 dark:text-gray-400">(Timer)</span>
+                    </div>
+                    <button onclick="unlinkFunction(${envId}, ${func.id}, 'timer')" class="text-red-600 hover:text-red-800 dark:text-red-400 dark:hover:text-red-300">
+                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
+                        </svg>
+                    </button>
+                </div>`;
+                });
+                html += '</div>';
+                container.innerHTML = html;
+            }
+        } catch (err) {
+            console.error('Failed to load linked functions:', err);
+        }
+    }
+
+    // Link Modal Functions
+    async function openLinkModal(envId, envName) {
+        document.getElementById('linkEnvId').value = envId;
+        document.getElementById('linkEnvName').textContent = envName;
+
+        try {
+            const response = await fetch(`/shared_env/${envId}/available-functions`);
+            const data = await response.json();
+
+            const httpSelect = document.getElementById('httpFunctionSelect');
+            const timerSelect = document.getElementById('timerFunctionSelect');
+
+            httpSelect.innerHTML = '<option value="">Select an HTTP function...</option>';
+            (data.http_functions || []).forEach(func => {
+                httpSelect.innerHTML += `<option value="${func.id}">${func.name}</option>`;
+            });
+
+            timerSelect.innerHTML = '<option value="">Select a timer function...</option>';
+            (data.timer_functions || []).forEach(func => {
+                timerSelect.innerHTML += `<option value="${func.id}">${func.name}</option>`;
+            });
+
+            document.getElementById('linkModal').classList.remove('hidden');
+        } catch (err) {
+            alert('Error loading available functions: ' + err.message);
+        }
+    }
+
+    function closeLinkModal() {
+        document.getElementById('linkModal').classList.add('hidden');
+        document.getElementById('httpFunctionSelect').value = '';
+        document.getElementById('timerFunctionSelect').value = '';
+    }
+
+    async function linkSelectedFunction() {
+        const envId = document.getElementById('linkEnvId').value;
+        const httpFuncId = document.getElementById('httpFunctionSelect').value;
+        const timerFuncId = document.getElementById('timerFunctionSelect').value;
+
+        if (!httpFuncId && !timerFuncId) {
+            alert('Please select a function to link');
+            return;
+        }
+
+        const functionId = httpFuncId || timerFuncId;
+        const functionType = httpFuncId ? 'http' : 'timer';
+
+        try {
+            const response = await fetch(`/shared_env/${envId}/link-function`, {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ function_id: functionId, function_type: functionType })
+            });
+            const data = await response.json();
+            if (data.status === 'success') {
+                closeLinkModal();
+                await loadLinkedFunctions(envId);
+            } else {
+                alert('Error: ' + data.message);
+            }
+        } catch (err) {
+            alert('Error: ' + err.message);
+        }
+    }
+
+    async function unlinkFunction(envId, functionId, functionType) {
+        try {
+            const response = await fetch(`/shared_env/${envId}/unlink-function`, {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ function_id: functionId, function_type: functionType })
+            });
+            const data = await response.json();
+            if (data.status === 'success') {
+                await loadLinkedFunctions(envId);
+            } else {
+                alert('Error: ' + data.message);
+            }
+        } catch (err) {
+            alert('Error: ' + err.message);
+        }
+    }
+</script>
+{% endblock %}
\ No newline at end of file
diff --git a/worker.py b/worker.py
index 3cb8d84..dd7b5ff 100644
--- a/worker.py
+++ b/worker.py
@@ -44,16 +44,51 @@ async def execute_timer_function_async(timer_function):
             api_url = PYTHON_API_URL
         else:
             api_url = NODE_API_URL
+        
+        # Load and inject shared environments (namespaced)
+        shared_envs = db.execute('''
+            SELECT se.id, se.name, se.environment
+            FROM timer_function_shared_envs tfse
+            JOIN shared_environments se ON tfse.shared_env_id = se.id
+            WHERE tfse.timer_function_id = %s
+            ORDER BY se.name
+        ''', [timer_function['id']])
+        
+        # Inject shared environments as nested objects
+        combined_environment = environment.copy() if environment else {}
+        shared_env_map = {}  # Track shared env IDs for later extraction
+        if shared_envs:
+            for se in shared_envs:
+                env_data = json.loads(se['environment']) if isinstance(se['environment'], str) else se['environment']
+                combined_environment[se['name']] = env_data
+                shared_env_map[se['name']] = se['id']
 
         async with aiohttp.ClientSession() as session:
             async with session.post(api_url, json={
                 'code': code, 
                 'request': {'method': 'TIMER'}, 
-                'environment': environment, 
+                'environment': combined_environment, 
                 'name': name
             }) as response:
                 response_data = await response.json()
 
+        # Extract and persist shared environment mutations
+        returned_env = response_data['environment']
+        function_specific_env = {}
+        
+        # Separate function-specific properties from shared environments
+        for key, value in returned_env.items():
+            if key in shared_env_map:
+                # This is a shared environment - save it back
+                db.execute(
+                    'UPDATE shared_environments SET environment=%s, updated_at=NOW() WHERE id=%s',
+                    [json.dumps(value), shared_env_map[key]],
+                    commit=True
+                )
+            else:
+                # This is function-specific - keep it
+                function_specific_env[key] = value
+
         # Update environment and record invocation
         # Calculate next run time based on trigger type
         next_run = None
@@ -74,7 +109,7 @@ async def execute_timer_function_async(timer_function):
                 last_run = NOW(),
                 next_run = %s
             WHERE id = %s
-        """, [json.dumps(response_data['environment']), next_run, timer_function['id']], commit=True)
+        """, [json.dumps(function_specific_env), next_run, timer_function['id']], commit=True)
 
         # Record the invocation
         db.execute("""
@@ -162,4 +197,4 @@ if __name__ == '__main__':
         try:
             asyncio.get_event_loop().run_forever()
         except (KeyboardInterrupt, SystemExit):
-            pass
\ No newline at end of file
+            pass